Grand-Am GT class cars lined up on the Yard of Bricks (from left): No. 57 Stevenson Motorsports Pontiac GXP.R, No. 87 Farnbacher Loles Racing Porsche GT3, No. 68 TRG Porsche GT3, No. 70 Speedsource Syntec Castrol Mazda RX-8. Photo Credit: (Indianapolis Mo hide

Grand-Am GT class cars lined up on the Yard of Bricks (from left): No. 57 Stevenson Motorsports Pontiac GXP.R, No. 87 Farnbacher... more